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authorJeff Dike <jdike@addtoit.com>2008-02-05 09:31:07 +0300
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-05 20:44:29 +0300
commit8efa3c9d545ab6adc5c5e001cbd7aee60909b3da (patch)
tree1ec5750233c242168f17a9669ff4ba4aa113a2e6 /arch/um/os-Linux
parent0b4e273fb83bce5dd8e166a4defb16ebdd215abf (diff)
downloadlinux-8efa3c9d545ab6adc5c5e001cbd7aee60909b3da.tar.xz
uml: eliminate setjmp_wrapper
setjmp_wrapper existed to provide setjmp to kernel code when UML used libc's setjmp and longjmp. Now that UML has its own implementation, this isn't needed and kernel code can invoke setjmp directly. do_buffer_op is massively cleaned up since it is no longer a callback from setjmp_wrapper and given a va_list from which it must extract its arguments. The actual setjmp is moved from buffer_op to do_op_one_page because the copy operation is inside an atomic section (kmap_atomic to kunmap_atomic) and it shouldn't be longjmp-ed out of. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um/os-Linux')
-rw-r--r--arch/um/os-Linux/util.c15
1 files changed, 0 insertions, 15 deletions
diff --git a/arch/um/os-Linux/util.c b/arch/um/os-Linux/util.c
index 3e058ce9ffb6..a6f31d476993 100644
--- a/arch/um/os-Linux/util.c
+++ b/arch/um/os-Linux/util.c
@@ -88,21 +88,6 @@ void setup_hostinfo(char *buf, int len)
host.release, host.version, host.machine);
}
-int setjmp_wrapper(void (*proc)(void *, void *), ...)
-{
- va_list args;
- jmp_buf buf;
- int n;
-
- n = UML_SETJMP(&buf);
- if(n == 0){
- va_start(args, proc);
- (*proc)(&buf, &args);
- }
- va_end(args);
- return n;
-}
-
void os_dump_core(void)
{
int pid;